/**
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.wicketTutorial.treegrid.content;

import org.apache.wicket.Component;
import org.apache.wicket.extensions.markup.html.repeater.tree.AbstractTree;
import org.apache.wicket.extensions.markup.html.repeater.tree.ITreeProvider;
import org.apache.wicket.extensions.markup.html.repeater.tree.content.CheckedFolder;
import org.apache.wicket.extensions.markup.html.repeater.util.ProviderSubset;
import org.apache.wicket.model.IModel;
import org.wicketTutorial.treegrid.Foo;

/**
 * @author Sven Meier
 */
public class CheckedFolderContent extends Content {
    private static final long serialVersionUID = 1L;

    private ProviderSubset<Foo> checked;

    public CheckedFolderContent(ITreeProvider<Foo> provider) {
        checked = new ProviderSubset<>(provider, false);
    }

    @Override
    public void detach() {
        checked.detach();
    }

    protected boolean isChecked(Foo foo) {
        return checked.contains(foo);
    }

    protected void check(Foo foo, boolean check) {
        if (check) {
            checked.add(foo);
        } else {
            checked.remove(foo);
        }
    }

    @Override
    public Component newContentComponent(String id, final AbstractTree<Foo> tree, IModel<Foo> model) {
        return new CheckedFolder<Foo>(id, tree, model) {
            private static final long serialVersionUID = 1L;

            @Override
            protected IModel<Boolean> newCheckBoxModel(final IModel<Foo> model) {
                return new IModel<Boolean>() {
                    private static final long serialVersionUID = 1L;

                    @Override
                    public Boolean getObject() {
                        return isChecked(model.getObject());
                    }

                    @Override
                    public void setObject(Boolean object) {
                        check(model.getObject(), object);
                    }
                };
            }
        };
    }
}
